Home / 16,789.28-23,169.12-9,236

Finding the Fourth Proportional to 16,789.28, 23,169.12 and 9,236

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Solution

The fourth proportional to 16,789.28, 23,169.12 and 9,236 is: 12,745.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,789.28 : 23,169.12 = 9,236 : x
  2. Step 2: Convert to fraction form
    16,789.28/23,169.12 = 9,236/x
  3. Step 3: Cross multiply
    16,789.28x = 23,169.12 × 9,236
  4. Step 4: Simplify right side
    16,789.28x = 213,989,992.32
  5. Step 5: Solve for x
    x = 213,989,992.32/16,789.28
  6. Step 6: Final answer
    x = 12,745.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.